Merge "DO NOT MERGE Remove orientation restriction to only fullscreen activities."

core/java/android/app/Activity.java

@@ -16,8 +16,6 @@
 
 package android.app;
 
-import static android.os.Build.VERSION_CODES.O;
-
 import static java.lang.Character.MIN_VALUE;
 
 import android.annotation.CallSuper;
@@ -976,18 +974,6 @@ public class Activity extends ContextThemeWrapper
     @CallSuper
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         if (DEBUG_LIFECYCLE) Slog.v(TAG, "onCreate " + this + ": " + savedInstanceState);
-
-        if (getApplicationInfo().targetSdkVersion > O && mActivityInfo.isFixedOrientation()) {
-            final TypedArray ta = obtainStyledAttributes(com.android.internal.R.styleable.Window);
-            final boolean isTranslucentOrFloating = ActivityInfo.isTranslucentOrFloating(ta);
-            ta.recycle();
-
-            if (isTranslucentOrFloating) {
-                throw new IllegalStateException(
-                        "Only fullscreen opaque activities can request orientation");
-            }
-        }
-
         if (mLastNonConfigurationInstances != null) {
             mFragments.restoreLoaderNonConfig(mLastNonConfigurationInstances.loaders);
         }

core/java/android/content/pm/ActivityInfo.java

@@ -20,7 +20,6 @@ import android.annotation.IntDef;
 import android.content.Intent;
 import android.content.res.Configuration;
 import android.content.res.Configuration.NativeConfig;
-import android.content.res.TypedArray;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.util.Printer;
@@ -439,6 +438,7 @@ public class ActivityInfo extends ComponentInfo
      * @hide
      */
     public static final int FLAG_SUPPORTS_PICTURE_IN_PICTURE = 0x400000;
+
     /**
      * @hide Bit in {@link #flags}: If set, this component will only be seen
      * by the system user.  Only works with broadcast receivers.  Set from the
@@ -976,19 +976,11 @@ public class ActivityInfo extends ComponentInfo
      * Returns true if the activity's orientation is fixed.
      * @hide
      */
-    public boolean isFixedOrientation() {
+    boolean isFixedOrientation() {
         return isFixedOrientationLandscape() || isFixedOrientationPortrait()
                 || screenOrientation == SCREEN_ORIENTATION_LOCKED;
     }
 
-    /**
-     * Returns true if the specified orientation is considered fixed.
-     * @hide
-     */
-    static public boolean isFixedOrientation(int orientation) {
-        return isFixedOrientationLandscape(orientation) || isFixedOrientationPortrait(orientation);
-    }
-
     /**
      * Returns true if the activity's orientation is fixed to landscape.
      * @hide
@@ -1168,25 +1160,6 @@ public class ActivityInfo extends ComponentInfo
         dest.writeFloat(maxAspectRatio);
     }
 
-    /**
-     * Determines whether the {@link Activity} is considered translucent or floating.
-     * @hide
-     */
-    public static boolean isTranslucentOrFloating(TypedArray attributes) {
-        final boolean isTranslucent =
-                attributes.getBoolean(com.android.internal.R.styleable.Window_windowIsTranslucent,
-                        false);
-        final boolean isSwipeToDismiss = !attributes.hasValue(
-                com.android.internal.R.styleable.Window_windowIsTranslucent)
-                && attributes.getBoolean(
-                        com.android.internal.R.styleable.Window_windowSwipeToDismiss, false);
-        final boolean isFloating =
-                attributes.getBoolean(com.android.internal.R.styleable.Window_windowIsFloating,
-                        false);
-
-        return isFloating || isTranslucent || isSwipeToDismiss;
-    }
-
     public static final Parcelable.Creator<ActivityInfo> CREATOR
             = new Parcelable.Creator<ActivityInfo>() {
         public ActivityInfo createFromParcel(Parcel source) {

services/core/java/com/android/server/am/ActivityRecord.java

@@ -133,7 +133,6 @@ import android.content.res.Configuration;
 import android.graphics.Bitmap;
 import android.graphics.GraphicBuffer;
 import android.graphics.Rect;
-import android.os.Build;
 import android.os.Bundle;
 import android.os.Debug;
 import android.os.IBinder;
@@ -897,7 +896,15 @@ final class ActivityRecord extends ConfigurationContainer implements AppWindowCo
 
         Entry ent = AttributeCache.instance().get(packageName,
                 realTheme, com.android.internal.R.styleable.Window, userId);
-        fullscreen = ent != null && !ActivityInfo.isTranslucentOrFloating(ent.array);
+        final boolean translucent = ent != null && (ent.array.getBoolean(
+                com.android.internal.R.styleable.Window_windowIsTranslucent, false)
+                || (!ent.array.hasValue(
+                        com.android.internal.R.styleable.Window_windowIsTranslucent)
+                        && ent.array.getBoolean(
+                                com.android.internal.R.styleable.Window_windowSwipeToDismiss,
+                                        false)));
+        fullscreen = ent != null && !ent.array.getBoolean(
+                com.android.internal.R.styleable.Window_windowIsFloating, false) && !translucent;
         noDisplay = ent != null && ent.array.getBoolean(
                 com.android.internal.R.styleable.Window_windowNoDisplay, false);
 
@@ -2195,11 +2202,6 @@ final class ActivityRecord extends ConfigurationContainer implements AppWindowCo
     }
 
     void setRequestedOrientation(int requestedOrientation) {
-        if (ActivityInfo.isFixedOrientation(requestedOrientation) && !fullscreen
-                && appInfo.targetSdkVersion > O) {
-            throw new IllegalStateException("Only fullscreen activities can request orientation");
-        }
-
         final int displayId = getDisplayId();
         final Configuration displayConfig =
                 mStackSupervisor.getDisplayOverrideConfiguration(displayId);

services/core/java/com/android/server/wm/AppWindowToken.java

@@ -72,8 +72,6 @@ import java.io.PrintWriter;
 import java.util.ArrayDeque;
 import java.util.ArrayList;
 
-import static android.os.Build.VERSION_CODES.O;
-
 class AppTokenList extends ArrayList<AppWindowToken> {
 }
 
@@ -1293,15 +1291,6 @@ class AppWindowToken extends WindowToken implements WindowManagerService.AppFree
      */
     @Override
     int getOrientation(int candidate) {
-        // We do not allow non-fullscreen apps to influence orientation beyond O. While we do
-        // throw an exception in {@link Activity#onCreate} and
-        // {@link Activity#setRequestedOrientation}, we also ignore the orientation here so that
-        // other calculations aren't affected.
-        if (!fillsParent() && mTargetSdk > O) {
-            // Can't specify orientation if app doesn't fill parent.
-            return SCREEN_ORIENTATION_UNSET;
-        }
-
         if (candidate == SCREEN_ORIENTATION_BEHIND) {
             // Allow app to specify orientation regardless of its visibility state if the current
             // candidate want us to use orientation behind. I.e. the visible app on-top of this one

services/tests/servicestests/src/com/android/server/wm/AppWindowTokenTests.java

@@ -175,7 +175,7 @@ public class AppWindowTokenTests extends WindowTestsBase {
         token.setOrientation(SCREEN_ORIENTATION_LANDSCAPE);
 
         token.setFillsParent(false);
-        // Can specify orientation if app doesn't fill parent. Allowed for SDK <= 25.
+        // Can specify orientation if app doesn't fill parent.
         assertEquals(SCREEN_ORIENTATION_LANDSCAPE, token.getOrientation());
 
         token.setFillsParent(true);